Workflow: Install SVN before trying to deploy (#1089)

Author: obenland

.github/workflows/deploy.yml

@@ -9,6 +9,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
+    - name: Install SVN
+      run: |
+        sudo apt-get update
+        sudo apt-get install subversion
     - name: WordPress Plugin Deploy
       uses: 10up/action-wordpress-plugin-deploy@stable
       env: